Java is primarily known for its capabilities in backend development, but it also has frameworks that enable frontend development. One of the most notable is JavaFX, which allows developers to create rich desktop applications with modern UI elements. Additionally, Swing is an older toolkit still used for building graphical user interfaces. For web applications, Java Server Faces (JSF) provides a component-based approach to developing user interfaces. While not as common as other frontend technologies like JavaScript or React, Java can be effectively utilized for creating engaging user interfaces, especially in enterprise applications.